Add leads handlers, WhatsApp integration, and test files

apps/go-crm/internal/handlers/customers.go

@@ -49,19 +49,39 @@ func ListCustomers(w http.ResponseWriter, r *http.Request) {
 }
 
 func CreateCustomer(w http.ResponseWriter, r *http.Request) {
-	accountID, ok := requireAuth(w, r)
+	isInternal := r.Header.Get("X-Internal-Secret") == "internal-secret"
+	
+	var accountID int64
+	var clientID int64
+	var ok bool
+	
+	if isInternal {
+		clientID, _ = strconv.ParseInt(r.FormValue("client_id"), 10, 64)
+		accountID = clientID
+		ok = true
+	} else {
+		accountID, ok = requireAuth(w, r)
+		if ok {
+			clientID, _ = strconv.ParseInt(r.FormValue("client_id"), 10, 64)
+		}
+	}
+	
 	if !ok {
 		return
 	}
 
 	r.ParseForm()
-	clientID, _ := strconv.ParseInt(r.FormValue("client_id"), 10, 64)
-
-	var checkID int64
-	err := DB.QueryRow("SELECT client_id FROM clients WHERE client_id = ? AND account_id = ?", clientID, accountID).Scan(&checkID)
-	if err != nil {
-		http.Error(w, "Invalid client", http.StatusBadRequest)
-		return
+	if clientID == 0 {
+		clientID, _ = strconv.ParseInt(r.FormValue("client_id"), 10, 64)
+	}
+	
+	if !isInternal {
+		var checkID int64
+		err := DB.QueryRow("SELECT client_id FROM clients WHERE client_id = ? AND account_id = ?", clientID, accountID).Scan(&checkID)
+		if err != nil {
+			http.Error(w, "Invalid client", http.StatusBadRequest)
+			return
+		}
 	}
 
 	customer := db.Customer{
@@ -73,6 +93,24 @@ func CreateCustomer(w http.ResponseWriter, r *http.Request) {
 		CreatedAt:  time.Now().Unix(),
 	}
 
+	if phone := r.FormValue("phone"); phone != "" {
+		var existingID int64
+		err := DB.QueryRow(
+			"SELECT customer_id FROM customers WHERE client_id = ? AND phone = ?",
+			clientID, phone,
+		).Scan(&existingID)
+		if err == nil {
+			_, err = DB.Exec(
+				"UPDATE customers SET name = ?, birth_date = ?, instagram = ? WHERE customer_id = ?",
+				r.FormValue("name"), r.FormValue("birth_date"), r.FormValue("instagram"), existingID,
+			)
+			if err == nil {
+				w.Header().Set("HX-Refresh", "true")
+				return
+			}
+		}
+	}
+
 	if err := customer.Create(DB); err != nil {
 		http.Error(w, err.Error(), http.StatusBadRequest)
 		return